feat: Document completed tasks across multiple components

- Added completed tasks documentation for Scheduler WebService, ImpactIndex, Models, Queue, Storage.Mongo, Worker, Signals, Signer, UI, Zastava.Observer, Zastava.Webhook, Zastava.Core, Cryptography.Kms, Cryptography, and Plugin.
- Each task includes ID, status, owners, dependencies, descriptions, and exit criteria to ensure clarity and traceability.
- Enhanced integration and unit testing coverage across various components to validate functionality and compliance with specifications.

NuGet.config

@@ -38,6 +38,7 @@
       <package pattern="Microsoft.Extensions.*" />
       <package pattern="Microsoft.AspNetCore.*" />
       <package pattern="Microsoft.Data.Sqlite" />
+      <package pattern="Microsoft.OpenApi*" />
       <package pattern="System.Diagnostics.*" />
     </packageSource>
     <packageSource key="nuget.org">